(zajac) a modern oboist can get a full blossomy sound and a very focused sound and a nasty sound, butay a crumhorn, in the renaissance, to take an obvious example-- it makes this one sound. [buzzing, nasal sounds] it's a very peculiar sound, a very nasal sound. and so it seems that renaissance musicians would rely on playing different instruments throughout an evening to give whoever was listening different tone colors or different timbres. [ensemble continues] (zajac) we're not sure if composers wrote music with specific timbres in mind because they don't indicate for the most part what instruments are to be played on the music. we know from other sources, paintings showing instrumental combinations and written records, that there was basically two different concepts about instrumental combinations in the renaissance. one was having a group of like-sounding instruments, for example, four recorders all of different sizes playing together. it's a beautiful sound, somewhat like a pipe organ because you don't hear the individual voices as much as just this beautiful sonority. the other c

joining us is bloomberg business reporter andrew zajac.rnanke didn't seem too happy, is that right? >> that's right. the body language, and the character of his responses suggested he wanted to be elsewhere. >> okay. but what were the key bits of testimony? the >> he testified that the harsher terms that were accorded aig were justified by the goals that regulators had. they wanted to prevent shareholders of the company from reaping a winfall if the company was bailed out, and they also wanted to -- not necessarily to save the company, but to prevent the systemic damage to the overall economy from the company's collapse. aig is the largest insurance company in the world, and it has relationships in terms of the financial products that it -- that it insured with everything -- everybody from investment banks, retirement funds retail, insurance, their tentacles were everywhere, so if they collapsed regulators thought it might bring down the entire economy. >> a lot of talk has been around the terms of the bailout and we talked about this befo